Aluminum, 55 mm (2.2") Thick, Enhanced Stiffness Breadboards
| Key Specifications | Imperial
Breadboards | Metric
Breadboards |
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| Flatness | ±0.15 mm (±0.006") Over Any 0.3 m2 | | Mounting Holes | 1/4"-20 Tapped Holes on 1" Centers | M6 Tapped Holes on 25 mm Centers | | Distance From Edge to First Holes | 1.0" on All Sides | 25 mm on All Sides |
Features- 55 mm (2.2") Thick
- UltraLight Breadboards are 20% Lighter than Equivalent Solid Aluminum Surface Plates
- All-Aluminum Construction Results in Excellent Thermal Stability
- Higher Rigidity than 0.5" Thick Solid Aluminum Breadboards (see Construction tab for details)
- Black Matte Painted Surface Reduces Reflectivity and Backscatter
- High Density Core and Internal Damping Provide Static and Dynamic Rigidity
UltraLight™ optical breadboards offer high strength-to-weight ratio and excellent thermal stability. These breadboards are ideal for optical setups where portability and dynamic rigidity are important. They are typically used as replacements for aluminum, steel or granite surface plates, as well as for applications demanding a totally nonmagnetic surface. Choosing an Optical Breadboard When choosing an aluminum optical breadboard, stiffness is a major consideration. Thorlabs offers two levels of stiffness: high and enhanced. Although most people associate deflection under load with thickness, it is actually the stiffness of a board that determines the deflection. The higher the stiffness, the better the breadboard's ability to resist bending when a load or force is applied to it. Therefore, when a heavy load is placed in the center of a breadboard with high stiffness, the board will deflect more than it would if the same load was placed on an enhanced stiffness breadboard. This deflection can create misalignment between two components on opposite ends of the breadboard. This feature is especially important, for example, when conducting experiments that require sliding optical setups across the breadboard while maintaining a straight optical axis.
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| Finish & Construction |
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| Breadboard Thickness | 55 mm (2.2") | | Flatness | ±0.15 mm (± 0.006") over any 0.3 m2 | | Construction | Double-Plate, Single-Honeycomb Core, Athermalized Design | | Top and Bottom Plate Design | Matched Materials for Athermalized Design.
Top 6 mm Thick, Bottom 3 mm Thick | | Material | Aluminium | | Core | High-Density Plated Aluminum Honeycomb | | Damping | Proprietary Broadband Damping | | Sides | Black Laminated Aluminum Sides, Slightly Inset | | Finish | Matte Black | | Mounting | Imperial Tables: 1/4"-20 Tapped Holes not Sealed, on 1" Centers
Metric Tables: M6 Tapped Holes not Sealed, on 25 mm Centers | | Distance from Edge to First Holes | Imperial Tables: 1.0" on all Sides
Metric Tables: 25 mm on all Sides | | Maximum Screw Depth | 6 mm from Top Surface |
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Thorlabs UltraLight™ optical breadboards offer high strength-to-weight ratio and excellent thermal stability. These breadboards are ideal for optical setups where portability and dynamic rigidity are important. 
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Minimum Relative Breadboard Motion The UltraLightTM range incorporates a double plate, single-honeycomb design, providing excellent stiffness and dynamic rigidity. The top layer consists of a 6 mm aluminum top plate. The second layer adds the main aluminum honeycomb structure and the 3mm aluminum bottom plate. The main honeycomb core is fabricated from strips of precision-formed plated aluminum, which is bonded together with a high tensile strength epoxy adhesive. Excellent Surface Flatness Breadboard flatness is critically important during many experimental setups. Lack of local flatness requires readjustment of components for height variations across the breadboard and can cause component “wobble”. Thorlabs breadboards offer unsurpassed flatness due to the high-precision aluminum plates, which are specially handled to maintain superior flatness throughout the manufacturing process. A unique thermal bonding process ensures that stress is not induced during manufacture, thereby retaining the flatness of the top plate. Athermalized Design Thorlabs breadboards have matched aluminum for both the top and bottom plates. This unique athermalized design eliminates thermal bowing effects caused by temperature variations.
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| Imperial Part # | Dimensions (L X W X H) | Unpackaged
Mass (kg) | Unpackaged Weight (lbs) | Packaged
Mass (kg)* | Packaged Weight (lbs)* |
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| PBG12102 | 2' x 1' x 2.2" | 6.00 | 13.00 | 12.00 | 26.40 | | PBG12103 | 3' x 1' x 2.2" | 8.00 | 18.00 | 17.00 | 37.40 | | PBG12104 | 4' x 1' x 2.2" | 12.00 | 26.45 | 21.05 | 46.30 | | PBG12118 | 2' x 1.5' x 2.2" | 8.00 | 17.64 | 14.32 | 31.50 | | PBG12105 | 2' x 2' x 2.2" | 12.00 | 27.00 | 20.96 | 46.21 | | PBG12106 | 3' x 2' x 2.2" | 16.00 | 35.00 | 29.00 | 63.80 | | PBG12108 | 5' x 2' x 2.2" | 26.00 | 57.00 | | | | PBG12109 | 2.5' x 2.5' x 2.2" | 17.00 | 38.00 | 31.00 | 68.20 | | PBG12110 | 3' x 2.5' x 2.2" | 20.00 | 44.00 | | | | PBG12111 | 4' x 2.5' x 2.2" | 27.00 | 60.00 | 46.00 | 101.20 | | PBG12112 | 3' x 3' x 2.2" | 26.00 | 57.00 | | | | PBG12113 | 4' x 3' x 2.2" | 32.00 | 71.00 | 54.00 | 118.80 | | PBG12114 | 5' x 3' x 2.2" | 39.00 | 86.00 | | | | PBG12115 | 4' x 4' x 2.2" | 42.00 | 93.00 | | | | PBG12117 | 6' x 4' x 2.2" | 64.00 | 141.0 | | | | Metric Part # | | | | | |
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| PBG52502 | 600 x 300 x 55 mm | 6.00 | 13.00 | 12.00 | 26.40 | | PBG52503 | 900 x 300 x 55 mm | 8.00 | 18.00 | 16.00 | 35.20 | | PBG52504 | 1200 x 300 x 55 mm | 11.00 | 24.25 | 20.00 | 44.00 | | PBG52522 | 600 x 450 x 55 mm | 8.20 | 18.00 | 15.34 | 33.75 | | PBG52505 | 600 x 600 x 55 mm | 11.00 | 24.00 | 20.00 | 44.00 | | PBG52506 | 900 x 600 x 55 mm | 16.00 | 35.00 | 28.00 | 61.60 | | PBG52507 | 1200 x 600 x 55 mm | 21.00 | 46.30 | 21.95 | 48.40 | | PBG52508 | 1500 x 600 x 55 mm | 27.00 | 60.00 | 27.00 | 59.40 | | PBG52510 | 900 x 750 x 55 mm | 20.00 | 44.00 | 20.00 | 44.00 | | PBG52511 | 1200 x 750 x 55 mm | 26.00 | 57.00 | 44.00 | 96.80 | | PBG52513 | 1200 x 900 x 55 mm | 27.00 | 59.00 | 51.00 | 112.20 | | PBG52514 | 1500 x 900 x 55 mm | 30.00 | 66.00 | 40.00 | 88.00 | | PBG52512 | 900 x 900 x 55 mm | 24.00 | 53.00 | 37.00 | 81.40 | | PBG52520 | 1500 x 1250 x 55 mm | 47.00 | 103.61 | 81.00 | 178.20 | | PBG52521 | 1800 x 1250 x 55 mm | 66.00 | 145.00 | 95.00 | 209.00 |
*These masses/weights are approximate and are subject to change. The information is only to be used as a guideline. |
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2.2" Aluminum Optical Breadboard
